Placenta

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=El7lggQ_fFI

The Placenta: A Vital Organ of PregnancyThe placenta is a temporary organ that develops in a woman's uterus during pregnancy. It's essentially the baby's lif...

reproductive biology, reproduction, human reproduction, baby, placenta, pregnancy, uterus, embryo, zygote
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